Portable paper towel holder



FIG. 1 is a front elevational view of a portable paper towel holder showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a side elevational view taken from the left of FIG. 1, the side opposite being a mirror image thereof;

FIG. 5 is a back elevational view. 

The ornamental design for a portable paper towel holder, substantially as shown and described. 